| Value | Category | Cases | |
|---|---|---|---|
| 0 | 308 |
39.5%
|
|
| 1 | 353 |
45.3%
|
|
| 2 | 97 |
12.5%
|
|
| 3 | 20 |
2.6%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 4826 |